17
11 Restore factory setting
►
Align the device so that no echo is received.
►
Go into the programming mode of the unit.
► Connect teach input 1 s → 7 Wire programming. ( AU011-AU013)
►
Press button once for 1 s. (AU014-AU018)
> LED flashes shortly with 4 Hz.
12 Operation
►
Check whether the unit operates correctly.
> Display by LEDs:
Green LED is lit.
Echo is received.
Yellow LED is lit.
Switching output is switched.
Green LED flashes.
Short circuit at the output.
AU011-AU015: The minimum distance between the “Proximity Switch Metal Enclosure“ and any “External uninsu-
lated live part“ shall be at least 12.7 mm.
13. Operating principle of an ultrasonic sensor
1: Connection
2: Housing
3: Electronics
4: Sound transducer
5: Ultrasound cone
6: Object
Glossary of important terms
Active zone
Area in front of the sensing face in which the sensor reacts
to the approach of the target.
Blind zone
Area close to the sound transducer which allows no time of
flight measurement.
Output function
Normally open:
object in the active zone
> output switched.
Normally closed:
object in the active zone
> output blocked.
Programmable:
choice between normally closed
or normally open.
Positive switching:
positive output signal (to L-).
Negative switching:
negative output signal (to L+).
Rated insulation voltage
DC units with protection class III: 60 V DC.
Rated short-circuit current
For short-circuit-proof units: 100 A.
UK
UK
